A Group of Statistics Students Decided to Conduct a Survey

question 69

Multiple Choice

A group of statistics students decided to conduct a survey at their university to estimate the average (mean) amount of time students spent studying per week. They sampled 554 students and found a mean of 22.3 hours per week. Assuming a population standard deviation of six hours,what is the 95% level of confidence?

• A)[21.80,22.80]
• B)[16.3,28.3]
• C)[21.64,22.96]
• D)[20.22,22.0]

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Definitions:

Palpable Spleen

A condition in which the spleen is enlarged and can be felt upon physical examination.

Enlarged Spleen

a condition where the spleen grows larger than normal, potentially indicating infection, liver diseases, blood diseases, or cancer.

Trauma

Physical or emotional injury or shock to the body, often from a violent event or accident, which may lead to long-term complications or psychological effects.

Midclavicular Line

An imaginary line running vertically down the surface of the body from the midpoint of the clavicle, used as a reference in medical examinations.